Add line break when adding aliases

[henninghalvsb1]

When running setup.sh which adds the kca-aliases, it should start with a new line, else it might affect the code on the last line of the file.

Example, if .bashrc looks something like this:

alias pf="npm run prettier:fix"

When running setup.sh it becomes:

alias pf="npm run prettier:fix"alias kca_init='/home/sb1a.sparebank1.no/a504aa0/git/your_code_as_a_crime_scene/scripts/init.sh'
alias kca_hotspots='/home/sb1a.sparebank1.no/a504aa0/git/your_code_as_a_crime_scene/scripts/hotspots.sh'
alias kca_complexity='/home/sb1a.sparebank1.no/a504aa0/git/your_code_as_a_crime_scene/scripts/complexity_plot.sh'

which ruins the existing command (see the first line).